1. Chapter Five Measures of Variability: Range, Variance, and Standard Deviation

4. A Chart Showing the Distance Between the Locations of Scores in Three Distributions

5. Three Variations of the Normal Curve

6. The Range, Variance, and Standard Deviation

9. The Sample Variance and the Sample Standard Deviation

15. Normal Distribution and the Standard Deviation

18. The Population Variance and the Population Standard Deviation

21. The Estimated Population Variance and the Estimated Population Standard Deviation

29. Organizational Chart of Descriptive and Inferential Measures of Variability

33. Example Sample Variance

34. Example Sample Standard Deviation

35. Example Estimated Population Variance

36. Example—Estimated Population Standard Deviation